Ovalby OVALAIR is an affordable indoorH-13 HEPAairfilter designed to make your home safer and healthier - without sacrificing style. Customize yourairfilter to match your décor with changeable covers in the trendiest colors. Reduce allergens and odors at school or at home; in the bedroom, nursery or office.H-13 HEPA filters areozone-freeandremoveover 99% of indoorairpollutants, "cleaning up to 600 sq. ft. Modern, space-saving design is slim enough to fit neatly into any room.